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BaTiO3 Nanotubes-Based Flexible and Transparent Nanogenerators

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posted on 16.12.2015, 22:09 by Zong-Hong Lin, Ya Yang, Jyh Ming Wu, Ying Liu, Fang Zhang, Zhong Lin Wang
We have developed a simple, cost-effective, and scalable approach to fabricate a piezoelectric nanogenerator (NG) with stretchable and flexible characteristics using BaTiO3 nanotubes, which were synthesized by the hydrothermal method. The NG was fabricated by making a composite of the nanotubes with polymer poly­(dimethylsiloxane) (PDMS). The peak open-circuit voltage and short-circuit current of the NG reached a high level of 5.5 V and 350 nA (current density of 350 nA/cm2), respectively. It was used to directly drive a commercial liquid crystal display. The BaTiO3 nanotubes/PDMS composite is highly transparent and useful for a large-scale (11 × 11 cm) fabrication of lead-free piezoelectric NG.

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